• 它会根据 Wi-Fi 网络名称自动更改 OS X 的，并在发生时运行任意脚本。 安装和更新 curl -L https://github.com/eprev/locationchanger/raw/master/locationchanger.sh | bash 它将要求您输入 root 密码以将...
• 其英文名称是“The Internet of things”。由此，顾名思义，“物联网就是物物相连的互联网”。这有两层意思：第一，物联网的核心和基础仍然是互联网，是在互联网基础上的延伸和扩展的网络；第二，其用户端延伸和扩展...
• 1、简介　在蓝牙技术的使用过程中，人们...ZigBee名字于蜂群使用的赖以生存和发展的通信方式，蜜蜂通过跳ZigZag形状的舞蹈来通知发现的新食物源的位置、距离和方向等信息，以此作为新一代无线通讯技术的名称。ZigBee过
• 1、简介　在蓝牙技术的使用过程中，人们...ZigBee名字来源于蜂群使用的赖以生存和发展的通信方式，蜜蜂通过跳ZigZag形状的舞蹈来通知发现的新食物源的位置、距离和方向等信息，以此作为新一代无线通讯技术的名称。ZigBe
• mac连不上wi-fiKhamosh Pathak Khamosh Pathak By default, your Mac automatically connects to the most-recently-used Wi-Fi network. But when you’re in a public place with many open networks, you might ...


mac连不上wi-fi

Khamosh Pathak

Khamosh Pathak

By default, your Mac automatically connects to the most-recently-used Wi-Fi network. But when you’re in a public place with many open networks, you might want to prioritize one in particular (like your own hotspot) on your Mac.
默认情况下，您的Mac自动连接到最近使用的Wi-Fi网络。 但是，当您在具有许多开放网络的公共场所时，您可能想要在Mac上优先设置一个优先级(例如您自己的热点)。
You can reorder the Wi-Fi network priority list from the Network section in System Preferences.
您可以从“系统偏好设置”中的“网络”部分重新排列Wi-Fi网络优先级列表。
The easiest way to get to the Network Preferences is from the Wi-Fi section in the menu bar. Click on the Wi-Fi icon from the menu bar and then select the “Open Network Preferences” option.
进入“网络偏好设置 ”的最简单方法是从菜单栏中的“ Wi-Fi”部分。 单击菜单栏中的Wi-Fi图标，然后选择“打开网络偏好设置”选项。

This opens the Network section from within the System Preferences.
这将从“系统偏好设置”中打开“网络”部分。
Here, from the sidebar, make sure that the “Wi-Fi” option is selected and then click on the “Advanced” button.
在这里，请从侧边栏中确保已选择“ Wi-Fi”选项，然后单击“高级”按钮。

You’ll see a “Preferred Networks” section in the “Wi-Fi” tab that contains a list of all the networks to which you’ve previously connected. Everything is sorted by preference, meaning that the network on the top of the list gets the first preference.
您将在“ Wi-Fi”标签中看到“首选网络”部分，其中包含您先前已连接的所有网络的列表。 所有内容均按首选项进行排序，这意味着列表顶部的网络将获得第一个首选项。
From this list, find the network that you want to be your preferred network (such as your hotspot). Click on the network to select it.
从此列表中，找到要成为首选网络的网络(例如，热点)。 单击网络以将其选中。

From there, drag the network name to the top of the list and then release it.
从那里，将网络名称拖到列表顶部，然后释放它。

Once you see the network at the top of the list, it means that it has priority. You can now reorder the rest of the Wi-Fi networks for the second or third priority.
一旦您在列表顶部看到网络，就意味着它具有优先级。 现在，您可以为第二或第三优先级重新排列其余Wi-Fi网络的顺序。
If you’ve previously connected to an open Wi-Fi network and don’t want your Mac to connect to it, even when no other priority network is available, remove the Wi-Fi network from the list. Select the Wi-Fi network and then click on the Minus button.
如果您先前已连接到开放的Wi-Fi网络，并且即使没有其他优先级网络可用，也不想Mac连接到该网络，请从列表中删除Wi-Fi网络。 选择Wi-Fi网络，然后单击减号按钮。

Once you’ve prioritized the list of networks, click on the “OK” button from the bottom-right corner.
确定了网络列表的优先级后，请点击右下角的“确定”按钮。

Then, from the Network screen, click on the “Apply” button to update the priority list.
然后，在网络屏幕上，单击“应用”按钮以更新优先级列表。

If you don’t want to remove a network from the list, you can also stop your Mac from automatically connecting to a specific Wi-Fi network.
如果您不想从列表中删除网络，也可以阻止Mac 自动连接 到特定的Wi-Fi网络。

翻译自: https://www.howtogeek.com/532437/how-to-prioritize-wi-fi-networks-on-a-mac/

mac连不上wi-fi

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• Windows 10 now warns you that a Wi-Fi network “isn’t secure” when it’s using “an older security standard that’s being phased out.” Windows 10 is warning you about WEP and TKIP. Here’s what ...


Windows 10 now warns you that a Wi-Fi network “isn’t secure” when it’s using “an older security standard that’s being phased out.” Windows 10 is warning you about WEP and TKIP. Here’s what that message means—and how to fix it.
Windows 10现在警告您，当Wi-Fi网络使用“正在淘汰的较旧的安全标准”时，它“并不安全”。 Windows 10向您警告有关WEP和TKIP。 这是该消息的含义以及如何解决。
Starting with the May 2019 update, Windows may show you a message stating your network isn’t secure, even if you know you use a password. If you see this message, then you’re likely using either Wired Equivalent Privacy (WEP) or Temporal Key Integrity Protocol (TKIP) encryption. These encryptions aren’t safe to use, and you should switch to a newer protocol or replace your router as soon as possible.
从2019年5月更新开始，即使您知道使用密码，Windows也会向您显示一条消息，指出您的网络不安全。 如果看到此消息，则可能是使用了有线等效保密(WEP)或临时密钥完整性协议(TKIP)加密。 使用这些加密方法并不安全，因此您应切换到较新的协议或尽快更换路由器。
为什么Windows 10警告您 (Why Windows 10 Is Warning You)

You probably know you should password protect your Wi-Fi network. Whether it’s to keep the neighbors or roaming bad actors out of your system, it’s just best practice to secure your wireless network. But, when you add a password to your Wi-Fi router, you aren’t just keeping people off your network. The security protocol encrypts your data to prevent anyone in the area from listening in on what you’re doing.
您可能知道应该使用密码保护您的Wi-Fi网络。 无论是将邻居阻止还是在系统中漫游不良行为者，都是保护无线网络的最佳实践。 但是，当您向Wi-Fi路由器添加密码时，您不仅使人们远离了网络。 安全协议对您的数据进行加密，以防止该地区的任何人监听您的操作。
Several methods of encrypting your Wi-Fi exist: WEP, WPA, and WPA2. WPA3 is on the way, too. WEP is the oldest and least secure at this point. Look at this way; the Wi-Fi Alliance ratified WEP in 1999, which makes the standard older than Windows XP, YouTube, and the original iPod. WPA-TKIP was endorsed back in 2002.
存在几种加密Wi-Fi的方法： WEP，WPA和WPA2 。 WPA3也在进行中。 目前，WEP是最古老且最不安全的。 看这边 Wi-Fi联盟在1999年批准了WEP，使该标准比Windows XP，YouTube和原始iPod更为古老。 WPA-TKIP于2002年获得认可。
That’s why Windows warns you about these networks with the following warning:
这就是Windows Windows通过以下警告警告您有关这些网络的原因：

[Network Name] isn’t secure
[网络名称]不安全
This Wi-Fi network uses an older security standard that’s being phased out. We recommend connecting to a different network.
此Wi-Fi网络使用的旧安全标准已被淘汰。 我们建议连接到其他网络。

为什么WEP和TKIP危险 (Why WEP and TKIP Are Dangerous)
Unfortunately, despite (or because of) its age, WEP and WPA-TKIP are still fairly widespread. We found WEP was still in use on a relative’s ISP-provided router. We didn’t have to change anything, or enable WEP; they were already using it. WEP is a notoriously lousy encryption option. It has been from the beginning, and it never got much better.
不幸的是，尽管(或由于它的)年代久远，WEP和WPA-TKIP仍然相当普遍。 我们发现WEP仍在亲戚的ISP提供的路由器上使用。 我们不必进行任何更改或启用WEP。 他们已经在使用它。 WEP是一个臭名昭著的加密选项 。 它从一开始就一直存在，并且从未变得更好。
When the encryption protocol first released, most devices restricted WEP to 64-bit encryption due to U.S. regulations. That improved, but as you can see above the router, we tried still used 64-bit encryption. WPA, by comparison, uses 256-bit encryption. Worse yet, several flaws in the protocol were found over time, making the encryption easier to break. In 2005, the FBI demonstrated its ability to crack WEP encryption in mere minutes.
首次发布加密协议时，根据美国法规，大多数设备将WEP限制为64位加密。 情况有所改善，但是正如您在路由器上方看到的那样，我们尝试仍使用64位加密。 相比之下，WPA使用256位加密。 更糟糕的是，随着时间的推移，该协议中发现了一些缺陷，使加密更容易破解。 在2005年，FBI 展示了其在短短几分钟内破解WEP加密的能力。
The Wi-Fi alliance intended to replace WEP with WPA-TKIP, but unfortunately, the newer protocol uses many of the same mechanisms. Due to that choice, the two protocols also share many of the same vulnerabilities. A method to break through one typically works equally well with the other. Thus, TKIP is no safer to use than WEP.
Wi-Fi联盟打算用WPA-TKIP替代WEP，但是不幸的是，较新的协议使用了许多相同的机制 。 由于这种选择，这两个协议还共享许多相同的漏洞。 突破一个方法通常与另一个方法同样有效。 因此，使用TKIP不会比WEP更安全。
Knowing all that, Microsoft wants to warn you if you’re using WEP or TKIP so you can fix the problem. Doing so now is especially important because eventually, Microsoft plans to phase out—or “deprecate”—support for the protocols. When that happens, the latest versions of Windows 10 won’t be able to connect to these networks.
了解所有这些信息之后，Microsoft会警告您是否正在使用WEP或TKIP，以便您可以解决此问题。 现在这样做尤其重要，因为Microsoft最终计划逐步淘汰或“弃用”对协议的支持。 发生这种情况时，最新版本的Windows 10将无法​​连接到这些网络。
如何在您的Wi-FI上修复此错误 (How to Fix This Error on Your Wi-FI)

If you see this message when connecting to a public Wi-Fi network, you can’t fix it. The owner of the router needs to fix it. That’s why Windows recommends connecting to a different network.
如果在连接到公共Wi-Fi网络时看到此消息，则无法修复它。 路由器的所有者需要对其进行修复。 这就是Windows建议连接到其他网络的原因。
If you see this message when connecting to your Wi-Fi network, you should enable stronger Wi-Fi encryption. If your router is relatively new, it will have other options like WPA2 with AES, and you should switch to these. Unfortunately, nearly every router’s administration page is different, so giving directions for making that change is difficult. You may want to look up instructions for configuring your specific model of router or consult its manual.
如果在连接到Wi-Fi网络时看到此消息，则应启用更强的Wi-Fi加密。 如果您的路由器相对较新，它将具有其他选项，例如带AES的WPA2，您应该切换到这些选项。 不幸的是，几乎每个路由器的管理页面都是不同的，因此很难给出进行更改的指导。 您可能需要查找有关配置路由器特定型号的说明，或查阅其手册。
You’ll want to find your router’s IP and enter it in your browser. Then look for your Wi-Fi security settings. Keep an eye out for sections about WEP or passwords. If you’re wondering what to select, our recommendation is to pick WPA2 + AES first if it’s available and failing that choose WPA + AES.
您需要找到路由器的IP并将其输入浏览器。 然后查找您的Wi-Fi安全设置。 请留意有关WEP或密码的部分。 如果您想选择什么，我们建议您首先选择WPA2 + AES(如果可用)，否则请选择WPA + AES。
The wording in your router’s dialog may be slightly different, but all those letters should be there. WPA2+AES might look like “WPA2-PSK (AES)” for instance. You’ll need to update the password on all your devices (even if you use the same password as before) after you make the change.
路由器对话框中的措词可能略有不同，但是所有这些字母都应在其中。 例如，WPA2 + AES可能看起来像“ WPA2-PSK(AES)”。 进行更改后，您需要在所有设备上更新密码(即使您使用的密码与以前相同)。
如果无法加强加密，请更新路由器 (Update Your Router If You Can’t Boost Encryption)

Igor Nikushin/Shutterstock
伊戈尔·尼古申/ Shutterstock

If you don’t see any options better than WEP or TKIP you should replace your router as soon as possible. If you’re using an ISP-provided router, you could contact them to see if they’ll offer a newer model.
如果您看不到任何比WEP或TKIP更好的选择，则应尽快更换路由器。 如果您使用的是ISP提供的路由器，则可以与他们联系以查看他们是否会提供较新的型号。
But a better option might be to buy one and return the old router to your ISP. They may be charging you a monthly fee to have it and depending on how long you have had the router you could have paid for it several times over already.
但是更好的选择可能是购买一个并将旧路由器退还给您的ISP。 他们可能会向您收取月租费，具体取决于您拥有路由器的时间，您可能已经为路由器支付了数倍的费用。
You don’t have to spend a lot of money on a router. If you have a medium sized house with a moderate (20 or less) number of Wi-Fi devices, TP-Link’s AC1750 is relatively inexpensive at \$56.99 and easy to set up. You can even control it from an app if you’d like.
Regardless of how you stop using WEP or TKIP, the sooner you take care of the problem, the better. Not only are you in a vulnerable position by relying on outdated security protocol, eventually your Windows devices will stop connecting altogether. It’s better to avoid that scenario and protect your network now.
无论您如何停止使用WEP或TKIP，越早解决问题越好。 依靠过期的安全协议，您不仅处于脆弱的位置，最终您的Windows设备也将完全停止连接。 最好避免这种情况并立即保护您的网络。

翻译自: https://www.howtogeek.com/423708/why-windows-10-says-your-wi-fi-network-isnt-secure/


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• mac 不能连接wi-fiYour Mac automatically reconnects to Wi-Fi networks you’ve previously connected to. Starting with macOS High Sierra, you can now tell your Mac not to automatically connect to certain...


mac 不能连接wi-fi

Your Mac automatically reconnects to Wi-Fi networks you’ve previously connected to. Starting with macOS High Sierra, you can now tell your Mac not to automatically connect to certain Wi-FI networks. Your Mac will remember the Wi-Fi network’s passphrase and other connection details, but won’t connect unless you tell it to.
您的Mac会自动重新连接到您之前连接的Wi-Fi网络。 从macOS High Sierra开始，您现在可以告诉Mac不要自动连接到某些Wi-FI网络。 您的Mac会记住Wi-Fi网络的密码短语和其他连接详细信息，但是除非您告知，否则不会连接。
This is useful for Wi-Fi networks you may use occasionally, like Comcast’s xfinitywifi or other public Wi-Fi networks. On older versions of macOS, you had to delete a saved Wi-Fi network and its passphrase to stop the automatic connection from occurring.
这对于您可能偶尔使用的Wi-Fi网络很有用，例如Comcast的xfinitywifi或其他公共Wi-Fi网络。 在旧版本的macOS上，您必须删除已保存的Wi-Fi网络及其密码，才能停止自动连接。
First, open the System Preferences window by clicking Apple menu > System Preferences.
首先，通过单击Apple菜单>系统偏好设置来打开“系统偏好设置”窗口。

Click the “Network” icon in the System Preferences window.
单击系统偏好设置窗口中的“网络”图标。

Select the “Wi-Fi” option in the left pane and choose the Wi-Fi network you want to modify from the Network Name box.
在左窗格中选择“ Wi-Fi”选项，然后从“网络名称”框中选择要修改的Wi-Fi网络。
Uncheck “Automatically join this network” and your Mac won’t automatically join the Wi-Fi network in the future.
取消选中“自动加入此网络”，您的Mac将来将不会自动加入Wi-Fi网络。

You can also set the order of your Wi-Fi networks to tell your Mac to prefer certain Wi-Fi networks over other ones. Your Mac will try to connect to available Wi-Fi networks in the order you choose, preferring the ones at the top of the list.
您还可以设置Wi-Fi网络的顺序，以告知Mac与其他Wi-Fi网络相比，它们更喜欢某些Wi-Fi网络。 您的Mac将尝试按您选择的顺序连接到可用的Wi-Fi网络，而不是列表顶部的那些。

翻译自: https://www.howtogeek.com/331645/how-to-stop-your-mac-from-automatically-connecting-to-a-wi-fi-network/

mac 不能连接wi-fi

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• WiFi（WirelessFidelity，无线相容性）的正式名称是“IEEE802.11b”，与蓝牙一样，同属于在办公室和家庭中使用的短距离无线技术。它是一种短距离无线传输技术，能够在数百英尺范围内支持互联网接入的无线电信号，将...
• Does your neighbor have an obnoxious Wi-Fi network name? You can hide it from the Wi-Fi menu on your computers, preventing it from showing up. You could go even further and block all other Wi-Fi netwo...


Does your neighbor have an obnoxious Wi-Fi network name? You can hide it from the Wi-Fi menu on your computers, preventing it from showing up. You could go even further and block all other Wi-Fi networks, too, only allowing your PCs to see and connect to the Wi-Fi networks you allow.
您的邻居是否有讨厌的Wi-Fi网络名称？ 您可以将其从计算机的Wi-Fi菜单中隐藏起来，以防止其显示。 您甚至可以走得更远，阻止所有其他Wi-Fi网络，只允许您的PC查看并连接到您允许的Wi-Fi网络。
This is handy if a neighbor has decided on a network name that’s inappropriate for small children, or a neighboring network is open with no parental controls. Whatever your reason, you can stop that network from showing up on any Windows PC with a few commands.
如果邻居决定了不适合小孩使用的网络名称，或者邻居网络开放且没有家长控制，这将很方便。 无论出于何种原因，您都可以通过几个命令阻止该网络显示在任何Windows PC上。
第一：打开管理员命令提示符窗口 (First: Open an Administrator Command Prompt Window)
This is accomplished via the netsh command, run as an Administrator. To open a Command Prompt window, open the Start menu, search for Command Prompt, right-click the “Command Prompt” shortcut, and select “Run as administrator”.
这可以通过以管理员身份运行的netsh命令来完成。 要打开命令提示符窗口，请打开“开始”菜单，搜索“命令提示符”，右键单击“命令提示符”快捷方式，然后选择“以管理员身份运行”。

如何将Wi-Fi网络列入黑名单 (How to Blacklist a Wi-Fi Network)
You can hide an individual network by adding it to the block list. It won’t appear in the list of nearby available Wi-Fi networks and you can’t connect to it from Windows.
您可以通过将单个网络添加到阻止列表中来隐藏它。 它不会出现在附近的可用Wi-Fi网络列表中，并且您无法从Windows连接到它。
To block a network, run the following command, replacing “WIFI NAME” with the name (SSID) of the wireless network. This is just the Wi-Fi network name that appears in the standard Wi-Fi popup menu.
要阻止网络，请运行以下命令，将“ WIFI NAME”替换为无线网络的名称(SSID)。 这只是出现在标准Wi-Fi弹出菜单中的Wi-Fi网络名称。
netsh wlan add filter permission=block ssid="WIFI NAME" networktype=infrastructure

Repeat this process to add more networks to your Wi-Fi blacklist, if you like. This command filters based on the network name. So, if your neighbor renames their Wi-Fi network, you’ll see the new name appear in your Wi-Fi list.
如果愿意，重复此过程可将更多网络添加到Wi-Fi黑名单。 该命令根据网络名称进行过滤。 因此，如果您的邻居重命名了他们的Wi-Fi网络，您将看到新名称出现在Wi-Fi列表中。
To undo this change and remove a network from the blocklist, run the following command and replace “WIFI NAME” with the name of the Wi-Fi network:
要撤消此更改并从阻止列表中删除网络，请运行以下命令，并将“ WIFI NAME”替换为Wi-Fi网络的名称：
netsh wlan delete filter permission=block ssid="WIFI NAME" networktype=infrastructure

如何将Wi-Fi网络列入白名单 (How to Whitelist a Wi-Fi Network)
Rather than hiding individual networks, you could alternatively add one or more Wi-Fi networks to the allow list, and then block all other networks. This ensures a device can only connect to the networks you approve. Of course, this is inconvenient if you’re using a portable device like a laptop—if you whitelist only your home network and take the laptop elsewhere, you won’t even be able to see any other Wi-Fi hotspots without changing this setting.
您可以选择隐藏一个或多个Wi-Fi网络，而不是隐藏单个网络，然后阻止所有其他网络。 这样可以确保设备只能连接到您批准的网络。 当然，如果您使用的是便携式设备(例如笔记本电脑)，这将很不方便-如果仅将家庭网络列入白名单并将笔记本电脑带到其他地方，则即使不更改此设置，您甚至都无法看到其他任何Wi-Fi热点。
To add an allowed Wi-Fi network, run the following command, replacing “WIFI NAME” with the name (SSID) of the wireless network.
要添加允许的Wi-Fi网络，请运行以下命令，将“ WIFI NAME”替换为无线网络的名称(SSID)。
netsh wlan add filter permission=allow ssid="WIFI NAME" networktype=infrastructure

Repeat this process to add more networks to your Wi-Fi whitelist, if necessary.
如有必要，重复此过程将更多网络添加到Wi-Fi白名单。
Once you’ve set a list of your whitelisted networks, run the following command to block all Wi-Fi networks that you haven’t specifically allowed:
设置列入白名单的网络的列表后，请运行以下命令以阻止所有您未明确允许的Wi-Fi网络：
netsh wlan add filter permission=denyall networktype=infrastructure

To undo this change, run the following command. Your PC will be able to see and connect to all networks that aren’t on the block list:
要撤消此更改，请运行以下命令。 您的PC将能够查看并连接到不在阻止列表中的所有网络：
netsh wlan delete filter permission=denyall networktype=infrastructure

You can also optionally remove the allowed Wi-Fi network rules you added. Just run the following command, replacing “WIFI NAME” with the name of the Wi-Fi network.
您也可以选择删除添加的允许的Wi-Fi网络规则。 只需运行以下命令，将“ WIFI NAME”替换为Wi-Fi网络的名称即可。
netsh wlan delete filter permission=allow ssid="WIFI NAME" networktype=infrastructure

如何查看过滤器 (How to View Your Filters)
To view active filters you’ve created, run the following command:
要查看已创建的活动过滤器，请运行以下命令：
netsh wlan show filters

You can use the above commands to delete any filters that appear here. Just use the same command you used to create the filter, replacing the word add with delete in the command.
您可以使用上述命令删除此处显示的所有过滤器。 只需使用与创建过滤器相同的命令， delete在命令中将单词add替换为delete 。

Anyone with Administrator access to the computer will be able to visit the Command Prompt and undo this change, if they know what they’re doing. So, if you use this to lock down a child’s computer and force them to connect to a Wi-Fi hotspot with parental controls enabled, be aware that child could undo the change if they have Administrator access to the PC (and are good at googling Windows commands).
Network administrators can use Group Policy to roll out Wi-Fi network filters, allowing them to manage which Wi-Fi networks are allowed or blocked on centrally managed PCs.
网络管理员可以使用组策略推出Wi-Fi网络过滤器，从而允许他们管理在集中管理的PC上允许或禁止的Wi-Fi网络。

翻译自: https://www.howtogeek.com/331816/how-to-block-your-neighbors-wi-fi-network-from-appearing-on-windows/


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